<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>Title</title>
    <link rel="stylesheet" href="css/bootstrap.min.css" />
    <style>
    </style>
    <script src="js/jquery-3.5.0.min.js"></script>
    <script src="js/bootstrap.bundle.min.js"></script>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <button class="btn btn-outline-primary my-2 my-sm-0" type="button">后退</button>
    <button class="btn btn-outline-primary my-2 my-sm-0" type="button">保存</button>
</nav>
<div class="container">

    <input type="text" class="form-control" id="title" placeholder="标题">
    <br>
    <textarea class="form-control" id="content" rows="10"></textarea>
</div>
</body>
</html>